[1] CDC, Community Guide Branch, Div Publ Hlth Informat Disseminat, Ctr Surveillance Epidemiol & Lab Serv, Atlanta, GA 30333 USA
[2] CDC, Phys Act & Hlth Branch, Div Nutr Phys Act & Obes, Natl Ctr Chron Dis Prevent & Hlth Promot, Atlanta, GA 30333 USA
[3] NHLBI, Clin Applicat & Prevent Branch, Prevent & Populat Sci Program, Div Cardiovasc Sci,NIH, Bldg 10, Bethesda, MD 20892 USA
[4] Univ Washington, Ctr Publ Hlth Nutr, Seattle, WA 98195 USA
[5] RTI Int, Res Triangle Pk, NC USA
[6] Texas A&M, Sch Publ Hlth, College Stn, TX USA
[7] Univ Penn, Sch Med, Philadelphia, PA 19104 USA
[8] Univ Penn, Sch Nursing, Philadelphia, PA 19104 USA